Cheap flights from Shannon, Clare to Boston from £339

In general, January is the cheapest month to fly from Shannon, Clare to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £319. The month of November is another great option to travel to Boston, with average flight prices from Shannon, Clare averaging around £453.

The cheapest day to depart on your flight to Boston is on a Thursday when prices can be found for as low as £544. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around £1,966. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boston.

Our most recent data shows that the best time of day to fly to Boston is at midday. Flights from Shannon, Clare to Boston during this time can be as low as £544. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around £623 per ticket.

Fly from Shannon to Boston Logan Intl for the best Shannon - Boston Logan Intl flight prices

You are more likely to see cheaper flights to Boston from Shannon, Clare when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around £549 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Shannon, Clare for as low as £388 on momondo.

There are 2 cabin classes available to choose from on Shannon, Clare to Boston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 2% of flights between Shannon and Boston have experienced a delay on any given week. The average delay length over the past 12 months has been 250 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 2% of their flights experiencing any sort of delay.

As of November 2026, there are 5 flights per day flying from Shannon, Clare to Boston. The most common time of day flights depart is 14:00, with 100% of flights taking off in the afternoon.

As of November 2026, 35 flights take off from Shannon, Clare and land in Boston each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.